Right because somone who does not possess electronics knowledge can tell the difference between a PCB for a cheap electronic clock and one that is some kind of detonator.
The school officials, and the police, all asserted that they had exactly that ability, as none of them actually invoked a single procedure that they had in place for dealing with a suspected bomb.
Schools get evacuated on the basis of a single anonymous phone call which says there's a bomb in a locker. It happens on a regular basis. Yet when they had the device IN HAND, they very obviously made the determination that it was in no way, shape or form dangerous. They did not evacuate the school. They did not call in bomb disposal. The teacher kept it in a desk drawer for a fair length of time. The police transported the 'device' in the same vehicle that they used to perpshame Ahmed.
They didn't just believe it wasn't a bomb, they made a specific determination, at every level and at every point in the debacle, that it wasn't a bomb, and SPECIFICALLY CHOSE to not invoke the procedures that all start with 'If there is ANY possibility that there is a bomb, do this....'